{"id":79242,"date":"2026-06-03T17:46:47","date_gmt":"2026-06-03T14:16:47","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-7666-potential-unencrypted-email-transmission-via-starttls-in-the-smtp-backend\/"},"modified":"2026-06-03T17:46:47","modified_gmt":"2026-06-03T14:16:47","slug":"cve-2026-7666-potential-unencrypted-email-transmission-via-starttls-in-the-smtp-backend","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-7666-potential-unencrypted-email-transmission-via-starttls-in-the-smtp-backend\/","title":{"rendered":"CVE-2026-7666 &#8211; Potential unencrypted email transmission via STARTTLS in the SMTP backend"},"content":{"rendered":"<p>CVE ID :CVE-2026-7666<\/p>\n<p>  Published : June 3, 2026, 2:16 p.m. | 16\u00a0minutes ago<\/p>\n<p>  Description :An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.<br \/>\n`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.<br \/>\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.<br \/>\nDjango would like to thank Kasper Dupont for reporting this issue.<\/p>\n<p>  Severity: 3.1 | LOW<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-7666 Published : June 3, 2026, 2:16 p.m. | 16\u00a0minutes ago Description :An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. `django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-79242","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=79242"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/79242\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=79242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=79242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=79242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}